12 cans per case-This unique blend of numerous solvents, surfactants, wetting agents and a viscous gel extendeds the work life of the solvents and the retardant protective film. This formula is designed for use in areas where graffiti markings have become a recurring problem, and it will hold on vertical surfaces allowing the formula to work for an extended period. A clear waxlike coating remains to serve as a retardant finish against future vandalism abuse. This product removes crayon, ink, lipstick, grease and spray paint. 20 oz Can / 16 oz Net Wt.